€68 Find Cheap Flights from Dublin to Rennes – Compare and Save

Flights from Dublin to Rennes usually depart from Dublin (DUB) and arrive at Rennes St Jacques (RNS).

Here are some options for this route, based on selected ticket types and cabin classes:

• Aer Lingus: a cabin bag in Economy class class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy class is available on flights from Dublin to Rennes.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average €238 return via Paris Charles de Gaulle (CDG), compared with €402 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge €27–€85 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

Connecting flights from Dublin to Rennes most commonly pass through:

• Amsterdam Schiphol (AMS) – 91% of one-stop connections
• Paris Charles de Gaulle (CDG) – 9% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 61% on the Dublin to Rennes route. Wednesday is the cheapest departure day at €181 return on average, while Sunday is the most expensive at €459, a difference of €278. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

There are currently no direct flights available from Dublin to Rennes. Flights with 1 stopover take between 5h 59m and 13h 59m in total, depending on the connection.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about €147 to €513. That means the highest observed fare was about 3x higher than the lowest one.

One-way fares from Dublin to Rennes are currently lower than usual. Average one-way flight prices are about €128, which is 23% below the typical average for this route.

Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time of 5h 59m, compared to 13h 59m via Paris Charles de Gaulle (CDG).

Rennes is 1 hour ahead of Dublin (Central European Time vs Irish Time). Plan for the time shift when scheduling connections or first-day activities.

Rennes St Jacques Airport (RNS) hosts 5 major car hire companies, with daily rates starting from around €19 for economy cars. Top options include:
• Rentscape
• Enterprise Rent-A-Car
• Alamo
• Avis
• Europcar

Return flights from Dublin to Rennes range from €222 to €400, with an average of €288 over the past 12 months. Anything below €222 counts as a good deal.